In any case, listen to the PRI story here (it is about 5 min long):
Green is the color commonly associated with Islam and some scholars say the Koran also commands Muslims to be green in the modern environmental sense. In East Africa, a development project using Islamic ethics has taught locals the Koranic imperatives of conserving natural resources. Some say eco-Islam has taken root. From Pemba Island in Tanzania, Matthew Brunwasser reports.